Answer:
C
Explanation:
The principle of superposition states that the oldest sedimentary rock units are at the bottom, and the youngest are at the top. Based on this, layer C is oldest, followed by B and A. So the full sequence of events is as follows: Layer C formed.
Proteins are polymers, relatively large molecules made form many smaller molecules. Each protein molecules is built up from amino acids, smaller monomer molecules that join end to end to make the protein polymers molecule. <span />
Flash floods will be the correct answer
Rust I think that's what it is